J.S. Bach - Complete Organ Music Ultra Extended Playing Time:20 hours+ of music on 5 SACDs for the price of 2 !(Please note: These single layer stereo SACDs can only be played back on an SACD player) CD 1:Johann Sebastian BachPrelude and Fugue in C major, BWV 531 1. Prelude 2'24 2. Fugue 4'03